1741. Each uniform box on the stack of four boxes has
a weight of 8 lb. The stack is being transported on the
dolly, which has a weight of 30 lb. Determine the
maximum force F which the woman can exert on the ;
handle in the direction shown so that no bo
Eng3934  Test 1 Formula Sheet
Particle Rectlinear Motion
dv
dt
a=
v=
ds
dt
vdv = ads
Constant acceleration:
v = v0 + ac t
1
s = s0 + v0 t + ac t2
2
Particle Curvilinear Motion:
x,y,z Coordinates:
^
~ = x^ + y^ + z k
r
cfw_

n,t Coordinates:
2
v 2 = v0
'14—33. If the coefficient of kinetic friction between the
lOOykg crate and the plane is nk — 0.25, determine the
compression x of the spring required to bring the crate
momentarily to rest. Initially the spring is unstretched and
the crate is at rest.
17—62. The pendulum consists of a 30lb sphere and a IDlb
slender rod. Compute the reaction at the pin 0 just after the
cord ABis cut.
17—74. The uniform slender rod has a mass of 9 kg. If the
spring is unstretched when 6 = 0", determine the magnitude
2/ l 16 A rocket traveling above the atmosphere at an al
titude of 500 km would have a freefall acceleration
g = 8.43 Infs2 in the absence of forces other than
gravitational attraction. Because of thrust, how
ever, the rocket has an additional accelera
ENG2313 Sample Midterm Test Questions
1
1. The flatbed truck is carrying a 200 kg crate as shown. The truck is
traveling at 100 km/h along a curved road surface which (at this location)
can be approximated by a circular arc. The radius of curvature of th
Eng3934 Sample Test 4 Questions
1
Instructions
Test 4 in Eng3934 Dynamics will consist of three questions. The questions would be in
the areas of rigid body kinetics, and particle kinetics (energy methods, impulse and
momentum). Sample questions are given
Eng3934 Sample Test 4 Questions
1
Instructions
Test 4 in Eng3934 Dynamics will consist of three questions. The questions would be in
the areas of rigid body kinetics, and particle kinetics (energy methods, impulse and
momentum). Sample questions are given
ENG3934 Sample Test 3 Questions
1
1. A fourwheeled car has mass of 2000 kg and a center of mass at G. The car is
travelling with a forward speed of 100 km/h. The coefficient of static friction between
the front tires and the road is A 0.5 , and the coeff
Eng3934  Test 3 Formula Sheet
Particle Rectlinear Motion
a=
dv
dt
v=
ds
dt
vdv = ads
Constant acceleration:
1
s = s0 + v0 t + ac t2
2
v = v0 + ac t
Particle Curvilinear Motion:
x,y,z Coordinates:
^
~ = x^ + y^ + z k
r
cfw_

n,t Coordinates:
2
v 2 = v0
ENG3934 Sample Test 3 Questions
1
1. A fourwheeled car has mass of 2000 kg and a center of mass at G. The car is
travelling with a forward speed of 100 km/h. The coefficient of static friction between
the front tires and the road is A 0.5 , and the coeff
Eng3934 Sample Test 4 Questions
1
Instructions
Test 4 in Eng3934 Dynamics will consist of three questions. The questions would be in
the areas of rigid body kinetics, and particle kinetics (energy methods, impulse and
momentum). Sample questions are given
En92313 — Quiz 1 Name & #2
Date: February 1, 2008 Instructor: Neil Hookey
Time: 11:0011:50AM
1. A skier leaves a 20° slope at a speed of 50 ft/s. Determine: a) the distance d to the
point where the skier lands; and b) the speed of the skier at the land